| Greenbelt to Mengen | 4,135.27 mi (6,655.07 km) |
| Greenbelt to Meppen | 3,921.16 mi (6,310.50 km) |
| Greenbelt to Merchweiler | 4,003.04 mi (6,442.26 km) |
| Greenbelt to Mering | 4,196.80 mi (6,754.10 km) |
| Greenbelt to Merseburg | 4,141.30 mi (6,664.78 km) |
| Greenbelt to Merzenich | 3,940.78 mi (6,342.07 km) |
| Greenbelt to Merzig | 3,982.31 mi (6,408.91 km) |
| Greenbelt to Meschede | 3,996.33 mi (6,431.48 km) |
| Greenbelt to Messkirch | 4,127.98 mi (6,643.35 km) |
| Greenbelt to Messstetten | 4,116.06 mi (6,624.16 km) |
| Greenbelt to Mettingen | 3,950.13 mi (6,357.11 km) |
| Greenbelt to Mettlach | 3,980.34 mi (6,405.74 km) |
| Greenbelt to Mettmann | 3,946.90 mi (6,351.92 km) |
| Greenbelt to Metzingen | 4,118.63 mi (6,628.29 km) |
| Greenbelt to Meuselwitz | 4,162.54 mi (6,698.96 km) |
